Contact Steve at Karre Diesel in Imperial Neb. and tell him the year of your machine and he will set you up with one. I have a extra one for a 2002 machine but it sounds like you have a 01 model.
Have an ATO non adjustable chip, in Saskatchewan, fits bosch pump on 8.1 litre engine. 2001 and older combines and 8100 to 8300 tractors. gt.gray@lincsat.com if interested